Finding the Fourth Proportional to 2,774,458.20, 4,161,687.30 and 2,561,881.80
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Solution
The fourth proportional to 2,774,458.20, 4,161,687.30 and 2,561,881.80 is: 3,842,822.70
Step by Step Solution
- Step 1: Write the proportion equation
2,774,458.20 : 4,161,687.30 = 2,561,881.80 : x - Step 2: Convert to fraction form
2,774,458.20/4,161,687.30 = 2,561,881.80/x - Step 3: Cross multiply
2,774,458.20x = 4,161,687.30 × 2,561,881.80 - Step 4: Simplify right side
2,774,458.20x = 10,661,750,951,161.14 - Step 5: Solve for x
x = 10,661,750,951,161.14/2,774,458.20 - Step 6: Final answer
x = 3,842,822.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.